Cascada Showers G1/2" Pipe fittings male Thread Water Pipe to 1/2" NPT female Adapter Size : 1/2" male ,1/2 " female Material : Brass Thread : NPT G Thread is Parallel (straight) threads (BSPP - British Standard Pipe Parallel), which have a constant diameter. The NPT thread is slightly tapered, while the G connection is straight. No Washer Needed. Surface : Brass color This water connection fittings for ease of use. Which can convert G thread connector to NPT connector It is made of durable heavy duty Brass, with threads that are manufactured to the highest quality standards. Choosing this adapter ensures that you've chosen a high quality item for your project. It is easy to install for both homeowners and contractors. Package: 1x G 1/2" to NPT 1/2" Adapter Return Policy: Merchandise purchased may be returned for a refund within 30 days of the date of purchase if it meets the following conditions: Merchandise must be returned in its original condition within 30 days of purchase. Returns received after 30 days will not be accepted.